fixup: serialx Python code fixed using Ruff #3419

Job	Run time
Dependency	4s
Shellcheck	7s
Cache identify	5s
Prepare	12s
Ruff check and force	7s
Check commit	0s
Process test coverage	0s
Run mypy	0s
Build and publish Python 🐍 distributions 📦 to TestPyPI	-1s
Process test complexity	-1s
Run pytest using Python ${{ matrix.python-version }}	-1s
	32s

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